Water cooler



FIG. 1 is a front and side perspective view of one preferred embodiment of the water cooler of the present invention;

FIG. 2 is a front perspective view of the water cooler shown in FIG. 1;

FIG. 3 is a top-front perspective view of the water cooler shown in FIG. 1;

FIG. 4 is a left-side perspective view of the water cooler shown in FIG. 1;

FIG. 5 is a rear perspective view of the water cooler shown in FIG. 1; and,

FIG. 6 is a top-rear perspective view of the water cooler shown in FIG. 1. 

I claim the ornamental design for the water cooler, as shown and described in the drawings. 